CVE-2026-98433: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-3v64-xhg6-868f
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Advisory Summary

CVE-2026-98433 is a security vulnerability vulnerability (General Security Weakness) affecting Software libraries in the Maven ecosystem. Remediation is available in the latest vendor maintenance releases.

CVE-2026-98433 at a Glance

CVE Identifier CVE-2026-98433
GHSA Identifier GHSA-3v64-xhg6-868f
Severity N/A
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

How to Fix CVE-2026-98433

To remediate this vulnerability, upgrade all affected Software dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

mvn dependency:tree

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2026-98433, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree

Analyze the terminal output to locate any version of Software in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The mvn dependency:tree command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Software, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: fix secure device page leak on uv_page_in() failure In kvmppc_svm_page_in(), if uv_page_in() fails after kvmppc_uvmem_get_page() has succeeded, the secure device page is never released. kvmppc_uvmem_get_page() sets a bit in kvmppc_uvmem_bitmap, allocates a kvmppc_uvmem_page_pvt struct, marks the GFN as KVMPPC_GFN_UVMEM_PFN, and calls zone_device_page_init() which sets refcount=1 and locks the page. The subsequent goto out_finalize skips the *mig.dst assignment, so migrate_vma_finalize() is a no-op for the page, and none of those resources are ever reclaimed. Each occurrence permanently consumes one entry from the firmware-bounded secure memory pool (kvmppc_uvmem_bitmap), leaks pvt, and leaves the GFN marked as secure — making it unusable for the lifetime of the VM. The twin __kvmppc_svm_page_out() already handles the analogous uv_page_out() failure correctly with unlock_page(dpage); __free_page(dpage). Apply the same pattern here: unlock_page() followed by put_page(), which chains through free_zone_device_folio() into kvmppc_uvmem_folio_free() to clear the bitmap bit, free pvt, and reset the GFN state. Reachable whenever uv_page_in() returns an error (e.g. UV pool exhaustion) on any POWER9/10 + Ultravisor/PEF system.

References

NVD — CVE-2026-98433 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-98433
git.kernel.org/stable/c/0a416ee20b... WEB
https://git.kernel.org/stable/c/0a416ee20bcccddf91ca5b63696a23b9d11d73aa
git.kernel.org/stable/c/8f3b774687... WEB
https://git.kernel.org/stable/c/8f3b7746874b39fc20e0363c9076c7787d4765ba
git.kernel.org/stable/c/a933d70243... WEB
https://git.kernel.org/stable/c/a933d7024359e2e566b07903d1294b84f90482ae
git.kernel.org/stable/c/c41088b276... WEB
https://git.kernel.org/stable/c/c41088b2765af1e97e7bb05f906ae1823eca0388
git.kernel.org/stable/c/dfb8427493... WEB
https://git.kernel.org/stable/c/dfb84274932737e338ff5eb27f34b4c8ecb01b50
git.kernel.org/stable/c/ed2f2ff63c... WEB
https://git.kernel.org/stable/c/ed2f2ff63cb7e71204096e765c6d02c3b6974b95
git.kernel.org/stable/c/f3d4b2fc30... WEB
https://git.kernel.org/stable/c/f3d4b2fc30c97cf8e6f8b880d2de9c17ecac7f5b
git.kernel.org/stable/c/fcbff8008b... WEB
https://git.kernel.org/stable/c/fcbff8008b0e08cd53b611bd0ff7e01f5b962f80

Frequently Asked Questions

What is CVE-2026-98433?
CVE-2026-98433 is a security vulnerability in Software classified as a security vulnerability vulnerability under General Security Weakness.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-98433?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-98433?
CVE-2026-98433 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-98433?
Run the dependency tree command: 'mvn dependency:tree'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-3v64-xhg6-868f",
  "modified" : "2026-10-18T15:30:31Z",
  "published" : "2026-10-18T15:30:31Z",
  "aliases" : [ "CVE-2026-98433" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: PPC: Book3S HV: fix secure device page leak on uv_page_in() failure\n\nIn kvmppc_svm_page_in(), if uv_page_in() fails after\nkvmppc_uvmem_get_page() has succeeded, the secure device page is never\nreleased.  kvmppc_uvmem_get_page() sets a bit in kvmppc_uvmem_bitmap,\nallocates a kvmppc_uvmem_page_pvt struct, marks the GFN as\nKVMPPC_GFN_UVMEM_PFN, and calls zone_device_page_init() which sets\nrefcount=1 and locks the page.  The subsequent goto out_finalize skips\nthe *mig.dst assignment, so migrate_vma_finalize() is a no-op for the\npage, and none of those resources are ever reclaimed.\n\nEach occurrence permanently consumes one entry from the firmware-bounded\nsecure memory pool (kvmppc_uvmem_bitmap), leaks pvt, and leaves the GFN\nmarked as secure — making it unusable for the lifetime of the VM.\n\nThe twin __kvmppc_svm_page_out() already handles the analogous uv_page_out()\nfailure correctly with unlock_page(dpage); __free_page(dpage).  Apply\nthe same pattern here: unlock_page() followed by put_page(), which\nchains through free_zone_device_folio() into kvmppc_uvmem_folio_free()\nto clear the bitmap bit, free pvt, and reset the GFN state.\n\nReachable whenever uv_page_in() returns an error (e.g. UV pool\nexhaustion) on any POWER9/10 + Ultravisor/PEF system.",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-98433"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/0a416ee20bcccddf91ca5b63696a23b9d11d73aa"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/8f3b7746874b39fc20e0363c9076c7787d4765ba"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/a933d7024359e2e566b07903d1294b84f90482ae"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/c41088b2765af1e97e7bb05f906ae1823eca0388"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/dfb84274932737e338ff5eb27f34b4c8ecb01b50"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/ed2f2ff63cb7e71204096e765c6d02c3b6974b95"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/f3d4b2fc30c97cf8e6f8b880d2de9c17ecac7f5b"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/fcbff8008b0e08cd53b611bd0ff7e01f5b962f80"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-10-18T15:16:53Z"
  }
}